NetBSD/sys/arch/arm32/podulebus/podulebus.h

150 lines
3.9 KiB
C

/* $NetBSD: podulebus.h,v 1.11 1998/03/21 21:30:29 mark Exp $ */
/*
* Copyright (c) 1995 Mark Brinicombe.
* Copyright (c) 1995 Brini.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Brini.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* RiscBSD kernel project
*
* podulebus.h
*
* Podule bus header file
*
* Created : 26/04/95
*/
#include <sys/param.h>
#include <machine/bus.h>
/* Define the structures used to describe the "known" podules */
struct podule_description {
int product_id;
char *description;
};
struct podule_list {
int manufacturer_id;
char *description;
struct podule_description *products;
};
/* Define the structure used to describe a podule */
#define PODULE_DESCRIPTION_LENGTH 63
typedef struct {
/* The podule header, read from the on board ROM */
u_char flags0;
u_char flags1;
u_char reserved;
u_short product;
u_short manufacturer;
u_char country;
u_int irq_addr;
u_int irq_mask;
u_int fiq_addr;
u_int fiq_mask;
/* The base addresses for this podule */
u_int fast_base;
u_int medium_base;
u_int slow_base;
u_int sync_base;
u_int mod_base;
u_int easi_base;
/* Flags */
int podulenum;
int slottype;
int attached;
/* Other info */
char description[PODULE_DESCRIPTION_LENGTH + 1];
/* podule specific information provided by podulebus */
int interrupt;
int dma_channel;
int dma_interrupt;
} podule_t;
#define PODULE_FLAGS_CD 0x01
#define PODULE_FLAGS_IS 0x02
#define SLOT_NONE 0x00
#define SLOT_POD 0x01
#define SLOT_NET 0x02
struct podule_attach_args {
podule_t *pa_podule; /* podule descriptor */
int pa_podule_number; /* podule number */
int pa_slottype; /* podule slot type */
bus_space_tag_t pa_iot; /* bus space tag */
};
/* Useful macros */
/* EASI space cycle control */
#define IS_PODULE(pa, man, prod) \
(pa->pa_podule->manufacturer == man && pa->pa_podule->product == prod)
#define EASI_CYCLE_TYPE_A 0x00
#define EASI_CYCLE_TYPE_C 0x01
#define set_easi_cycle_type(podule, type) \
IOMD_WRITE_BYTE(IOMD_ECTCR, (IOMD_READ_BYTE(IOMD_ECTCR) & ~(1 << podule)) | (1 << type))
#ifdef _KERNEL
/* Array of podule structures, one per possible podule */
extern podule_t podules[MAX_PODULES + MAX_NETSLOTS];
u_int poduleread __P((u_int address, int offset, int slottype));
int matchpodule __P((struct podule_attach_args *pa,
int manufacturer, int product, int required_slot));
void netslot_ea __P((u_int8_t *buffer));
#endif
/* End of podulebus.h */